Git

It has a top-level README describing the contents of several subdirectories.
The repository is also available as a private repo on bitbucket - just ask Patrik if you want access. With access you can clone from there as follows:

git clone --recursive git@bitbucket.org:patrikja/stgitroot.git

Older fixes (may still apply)

If you don't have the git repo get, and you get a complaint from git about not
finding git-upload-pack or git-receive-pack, call